From 1bd9b61222f3a81ffe770fc00b70ded6e760c42b Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Fri, 1 Jun 2018 09:09:08 +0200 Subject: New upstream version 18.05 Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2 Signed-off-by: Christian Ehrhardt --- lib/librte_compressdev/rte_compressdev_pmd.c | 160 +++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 lib/librte_compressdev/rte_compressdev_pmd.c (limited to 'lib/librte_compressdev/rte_compressdev_pmd.c') diff --git a/lib/librte_compressdev/rte_compressdev_pmd.c b/lib/librte_compressdev/rte_compressdev_pmd.c new file mode 100644 index 00000000..7de4f339 --- /dev/null +++ b/lib/librte_compressdev/rte_compressdev_pmd.c @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017-2018 Intel Corporation + */ + +#include +#include +#include + +#include "rte_compressdev_internal.h" +#include "rte_compressdev_pmd.h" + +int compressdev_logtype; + +/** + * Parse name from argument + */ +static int +rte_compressdev_pmd_parse_name_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + struct rte_compressdev_pmd_init_params *params = extra_args; + int n; + + n = snprintf(params->name, RTE_COMPRESSDEV_NAME_MAX_LEN, "%s", value); + if (n >= RTE_COMPRESSDEV_NAME_MAX_LEN) + return -EINVAL; + + return 0; +} + +/** + * Parse unsigned integer from argument + */ +static int +rte_compressdev_pmd_parse_uint_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int i; + char *end; + + errno = 0; + i = strtol(value, &end, 10); + if (*end != 0 || errno != 0 || i < 0) + return -EINVAL; + + *((uint32_t *)extra_args) = i; + return 0; +} + +int __rte_experimental +rte_compressdev_pmd_parse_input_args( + struct rte_compressdev_pmd_init_params *params, + const char *args) +{ + struct rte_kvargs *kvlist = NULL; + int ret = 0; + + if (params == NULL) + return -EINVAL; + + if (args) { + kvlist = rte_kvargs_parse(args, compressdev_pmd_valid_params); + if (kvlist == NULL) + return -EINVAL; + + ret = rte_kvargs_process(kvlist, + RTE_COMPRESSDEV_PMD_SOCKET_ID_ARG, + &rte_compressdev_pmd_parse_uint_arg, + ¶ms->socket_id); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, + RTE_COMPRESSDEV_PMD_NAME_ARG, + &rte_compressdev_pmd_parse_name_arg, + params); + if (ret < 0) + goto free_kvlist; + } + +free_kvlist: + rte_kvargs_free(kvlist); + return ret; +} + +struct rte_compressdev * __rte_experimental +rte_compressdev_pmd_create(const char *name, + struct rte_device *device, + size_t private_data_size, + struct rte_compressdev_pmd_init_params *params) +{ + struct rte_compressdev *compressdev; + + if (params->name[0] != '\0') { + COMPRESSDEV_LOG(INFO, "[%s] User specified device name = %s\n", + device->driver->name, params->name); + name = params->name; + } + + COMPRESSDEV_LOG(INFO, "[%s] - Creating compressdev %s\n", + device->driver->name, name); + + COMPRESSDEV_LOG(INFO, + "[%s] - Init parameters - name: %s, socket id: %d", + device->driver->name, name, + params->socket_id); + + /* allocate device structure */ + compressdev = rte_compressdev_pmd_allocate(name, params->socket_id); + if (compressdev == NULL) { + COMPRESSDEV_LOG(ERR, "[%s] Failed to allocate comp device %s", + device->driver->name, name); + return NULL; + } + + /* allocate private device structure */ + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + compressdev->data->dev_private = + rte_zmalloc_socket("compressdev device private", + private_data_size, + RTE_CACHE_LINE_SIZE, + params->socket_id); + + if (compressdev->data->dev_private == NULL) { + COMPRESSDEV_LOG(ERR, + "[%s] Cannot allocate memory for compressdev %s private data", + device->driver->name, name); + + rte_compressdev_pmd_release_device(compressdev); + return NULL; + } + } + + compressdev->device = device; + + return compressdev; +} + +int __rte_experimental +rte_compressdev_pmd_destroy(struct rte_compressdev *compressdev) +{ + int retval; + + COMPRESSDEV_LOG(INFO, "[%s] Closing comp device %s", + compressdev->device->driver->name, + compressdev->device->name); + + /* free comp device */ + retval = rte_compressdev_pmd_release_device(compressdev); + if (retval) + return retval; + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(compressdev->data->dev_private); + + compressdev->device = NULL; + compressdev->data = NULL; + + return 0; +} -- cgit 1.2.3-korg